Field experiment was carried out to investigate the yield advantage of intercropped wheat and faba bean, and on nitrate accumulation in soil profile at different N application rates.

• 摘要 通过田间小区试验，研究了小麦/蚕豆间作条件下作物的产量优势及不同施氮水平和种植方式中土壤硝酸盐累积。